Kenwood KDC-MP638U Service Manual page 21

played.
At the completion of the deletion, "Erase_OK!!" is dis-
played.
If the "Erase_NG!!!!!!" is displayed, it indicates that the
data in Flash ROM could not be deleted due to some
reason.
If the same message is displayed after repeating the pro-
cess by pressing and holding [AM] key, it indicates the
error in Flash ROM.
● Panel combination check
In order to avoid any incorrect combination, STANDBY
source displays the followings based on combination of
system μ-com and panel in the test mode.
<64COL FL / FLASH ROM supporting model + 64COL FL /
FLASH ROM PANEL>
<64COL FL / MASK ROM supporting model + 64COL FL /
MASK ROM PANEL>
<MONO FL supporting model + MONO FL PANEL>
<64COL FL / FLASH ROM supporting model + 64COL FL /
MASK ROM PANEL>
NG
_Mother : COL FLS
_Panel_ : COL MSK
<64COL FL / FLASH ROM supporting model + MONO FL
PANEL>
NG
_Mother : COL FLS
_Panel_ : MONO
<64COL FL / MASK ROM supporting model + 64COL FL /
FLASH ROM PANEL>
NG
_Mother : COL MSK
_Panel_ : COL FLS
<64COL FL / MASK ROM supporting model + MONO FL
PANEL>
NG
_Mother : COL MSK
_Panel_ : MONO
TEST MODE
OK !
NG !
NG !
NG !
NG !
KDC-MP638U/W7041U
/W7141UY/X692/X7009U
<MONO FL supporting model + 64COL FL / FLASH ROM
PANEL>
NG
_Mother : MONO
_Panel_ : COL FLS
<MONO FL supporting model + 64COL FL / MASK ROM
PANEL>
NG
_Mother : MONO
_Panel_ : COL MSK
● Other
• When Power ON, do not display "CODE_NG", "CODE_
OFF", and "CODE_ON".
• When the source is STANDBY, press [AUTO] / [TI] key
briefl y or press [0] key on the remote controller to switch
between RED and GREEN of key illumi. (RED↔GREEN).
(In models with an ILLUMI switching function)
• When the source is STANDBY, press [AUTO] / [TI] key
briefl y or press [0] key on the remote controller to switch
between RED and GREEN of triangle illumi. (RED↔
GREEN). (Display Blackout function supporting model)
• When the source is STANDBY, press and hold the [AUTO]
or [TI] keys for 1 second to switch the PREOUT between
Rear and Sub Woofer (Rear↔Sub Woofer). (2PREOUT
model)
• When started in the test mode, duration of prohibiting
LINE MUTE shall be changed from 10 seconds to 1 sec-
ond.
• When in the test mode, do not write security code by se-
curity jig.
• When in the test mode, serial number is not written with
a serial-number-writing jig.
• When in the test mode, when DC offset error detection
is run, the detection information is not written into the
E2PROM.
• When in the test mode, even if the specified time has
passed, back-up memory items are not written into
E2PROM.
DEMO mode shall not be operated while in the test
mode, Backup/Installer Memory & CD Mechanism Infor-
mation & Service Information & DC offset Error Detection
Information Clear Mode, or DC offset Error Detection In-
formation Clear Mode.
• Also, do not display DEMO ON/OFF option items in the
MENU in STANDBY source in the above modes.
NG !
NG !
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